diff options
Diffstat (limited to 'libjava/org/ietf/jgss/ChannelBinding.java')
-rw-r--r-- | libjava/org/ietf/jgss/ChannelBinding.java | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/libjava/org/ietf/jgss/ChannelBinding.java b/libjava/org/ietf/jgss/ChannelBinding.java deleted file mode 100644 index b02683adb0d..00000000000 --- a/libjava/org/ietf/jgss/ChannelBinding.java +++ /dev/null @@ -1,215 +0,0 @@ -/* ChannelBinding.java -- a channel binding in the GSS-API. - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -/* The documentation comments of this class are derived from the text - of RFC 2853: Generic Security Service API Version 2: Java Bindings. - That document is covered under the following license notice: - -Copyright (C) The Internet Society (2000). All Rights Reserved. - -This document and translations of it may be copied and furnished to -others, and derivative works that comment on or otherwise explain it -or assist in its implementation may be prepared, copied, published and -distributed, in whole or in part, without restriction of any kind, -provided that the above copyright notice and this paragraph are -included on all such copies and derivative works. However, this -document itself may not be modified in any way, such as by removing -the copyright notice or references to the Internet Society or other -Internet organizations, except as needed for the purpose of developing -Internet standards in which case the procedures for copyrights defined -in the Internet Standards process must be followed, or as required to -translate it into languages other than English. - -The limited permissions granted above are perpetual and will not be -revoked by the Internet Society or its successors or assigns. - -This document and the information contained herein is provided on an -"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING -TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT -NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN -WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF -MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. */ - - -package org.ietf.jgss; - -import java.net.InetAddress; -import java.util.Arrays; - -/** - * <p>The GSS-API accommodates the concept of caller-provided channel - * binding information. Channel bindings are used to strengthen the - * quality with which peer entity authentication is provided during - * context establishment. They enable the GSS-API callers to bind the - * establishment of the security context to relevant characteristics - * like addresses or to application specific data.</p> - * - * <p>The caller initiating the security context must determine the - * appropriate channel binding values to set in the {@link GSSContext} - * object. The acceptor must provide an identical binding in order to - * validate that received tokens possess correct channel-related - * characteristics.</p> - * - * <p>Use of channel bindings is optional in GSS-API. Since channel-binding - * information may be transmitted in context establishment tokens, - * applications should therefore not use confidential data as - * channel-binding components.</p> - */ -public class ChannelBinding -{ - - // Fields. - // ------------------------------------------------------------------------- - - private final byte[] appData; - private final InetAddress initAddr; - private final InetAddress acceptAddr; - - // Constructor. - // ------------------------------------------------------------------------- - - /** - * Create a ChannelBinding object with user supplied address information - * and data. <code>null</code> values can be used for any fields which the - * application does not want to specify. - * - * @param initAddr The address of the context initiator. <code>null</code> - * value can be supplied to indicate that the application - * does not want to set this value. - * @param acceptAddr The address of the context acceptor. <code>null</code> - * value can be supplied to indicate that the application - * does not want to set this value. - * @param appData Application supplied data to be used as part of the - * channel bindings. <code>null</code> value can be - * supplied to indicate that the application does not - * want to set this value. - */ - public ChannelBinding(InetAddress initAddr, InetAddress acceptAddr, - byte[] appData) - { - this.appData = (appData != null) ? (byte[]) appData.clone() : null; - this.initAddr = initAddr; - this.acceptAddr = acceptAddr; - } - - /** - * Creates a ChannelBinding object without any addressing information. - * - * @param appData Application supplied data to be used as part of the - * channel bindings. - */ - public ChannelBinding(byte[] appData) - { - this(null, null, appData); - } - - // Instance methods. - // ------------------------------------------------------------------------- - - /** - * Returns the initiator's address for this channel binding. - * <code>null</code> is returned if the address has not been set. - * - * @return The initiator's address, or <code>null</code>. - */ - public InetAddress getInitiatorAddress() - { - return initAddr; - } - - /** - * Returns the acceptor's address for this channel binding. - * <code>null</code> is returned if the address has not been set. - * - * @return The acceptor's address, or <code>null</code>. - */ - public InetAddress getAcceptorAddress() - { - return acceptAddr; - } - - /** - * Returns application data being used as part of the ChannelBinding. - * <code>null</code> is returned if no application data has been - * specified for the channel binding. - * - * @return The application data, or <code>null</code>. - */ - public byte[] getApplicationData() - { - if (appData != null) - return (byte[]) appData.clone(); - return null; - } - - /** - * Returns <code>true</code> if two channel bindings match. - * - * @param obj Another channel binding to compare with. - * @return True if this channel binding equals the other. - */ - public boolean equals(Object obj) - { - if (!(obj instanceof ChannelBinding)) - return false; - ChannelBinding cb = (ChannelBinding) obj; - boolean b1 = Arrays.equals(appData, cb.appData); - boolean b2 = (initAddr == null && cb.initAddr == null) - || (cb.initAddr != null && initAddr.equals(cb.initAddr)); - boolean b3 = (acceptAddr == null && cb.acceptAddr == null) - || (cb.acceptAddr != null && acceptAddr.equals(cb.acceptAddr)); - return b1 && b2 && b3; - } - - /** - * Returns the hash code for this channel binding. - * - * @return The hash code. - */ - public int hashCode() - { - int code = 0; - if (appData != null) - for (int i = 0; i < appData.length; i++) - code ^= appData[i] << ((8 * i) & 31); - if (initAddr != null) - code ^= initAddr.hashCode(); - if (acceptAddr != null) - code ^= acceptAddr.hashCode(); - return code; - } -} |